The inner lining of the heart. heart muscle. serous layer covering the heart muscle. the outermost layer of the serous pericardium. a. parietal layer b. epicardium c. endocardium d. myocardium

Marianne is comparing two animals: a fruit fly and a fruit bat. she asks, "do a fruit fly and a fruit bat share a common ancestor in their evolutionary history? " according to evolutionary theory, what is the answer to marianne's question?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.